This lecture-recital investigated the music of Richard A. Monaco, especially the two sonatas for trombone (1958 and 1985). Monaco (1930-1987) was a composer, trombonist and conductor whose instrumental works are largely unpublished and relatively little known. In the lecture, a fairly extensive biographical chapter is followed by an examination of some of Monaco's early influences, particularly those in the music of Hunter Johnson and Robert Palmer, professors of Monaco's at Cornell University. Later style characteristics are discussed in a chapter which examines the Divertimento for Brass Quintet (1977), the Duo for Trumpet and Piano (1982), and the Second Sonata for Trombone and Piano (1985). The two sonatas for trombone are compared stylistically and for their position of importance in the composer's total output. The program included a performance of both sonatas in their entirety.